Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Cynthia Jeanne Irwin, LICSW

Individual provider Clinical Social Worker · NPI 1063985232

Cynthia Jeanne Irwin, LICSW is a Clinical Social Worker in Seattle, Washington. Qualified in 2011, 15 years ago. Practices with The Polyclinic PLLC, a 366-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
15
Licensed in
WA
In the registry since
2019
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

9709 3rd Ave NE
Seattle, WA 98115-2062
Phone: (206) 329-1760
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence SC60429425 (WA)

Record details

NPI number1063985232
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorYes
NPI enumeratedJanuary 9, 2019
Last updated in NPPESMarch 11, 2024
Certification dateMarch 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice The Polyclinic Pllc — 366 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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